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Biology Class 9 Chapter 8 Nutrition-15
1.
During swallowing of food, glottis is closed by?
a) Epiglottis
b) Oesophagus
c) Stomach
d) Tongue
2.
The tube that connects the pharynx to the stomach is known as?
a) Oesophagus
b) Stomach
c) Intestine
d) Tongue
3.
Which one of the following has a role in digestion of food?
a) Saliva
b) Oesophagus
c) Pharynx
d) None
4.
The waves of contraction and relaxation in the smooth muscles of alimentary canal walls is known as?
a) Peristalsis
b) Chewing
c) Mastication
d) Antiperistalsis
5.
What results if the peristalsis reverse?
a) Vomiting
b) Diarrhoea
c) Digestion
d) Urination
6.
The dilated part of alimentary canal is known as?
a) Stomach
b) Oesophagus
c) Intestine
d) Pharynx
7.
Human stomach is?
a) J-shaped
b) V-shaped
c) Y-shaped
d) U-shaped
8.
The human stomach is located in the?
a) Left of the abdomen
b) Right of the abdomen
c) Centre of the abdomen
d) Above the diaphragm
9.
How many portions do human stomach have?
a) 2
b) 3
c) 4
d) 5
10.
Human stomach has ___ sphincters?
a) 2
b) 3
c) 4
d) 5
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